Home / 1,077,819.20-1,616,959.20-329,940.80

Finding the Fourth Proportional to 1,077,819.20, 1,616,959.20 and 329,940.80

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Solution

The fourth proportional to 1,077,819.20, 1,616,959.20 and 329,940.80 is: 494,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,819.20 : 1,616,959.20 = 329,940.80 : x
  2. Step 2: Convert to fraction form
    1,077,819.20/1,616,959.20 = 329,940.80/x
  3. Step 3: Cross multiply
    1,077,819.20x = 1,616,959.20 × 329,940.80
  4. Step 4: Simplify right side
    1,077,819.20x = 533,500,812,015.36
  5. Step 5: Solve for x
    x = 533,500,812,015.36/1,077,819.20
  6. Step 6: Final answer
    x = 494,981.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.